how to draw a graph or histogram in c language

#define    N    5                                           
   main()
   {                                                               
       intvalue[N];                                           
       int i, j, n, x;                                            
                                                               
       for (n=0; n < N; ++n)                                      
       {                                                           
          printf("Enter employees in Group - %d : ",n+1);      
          scanf("%d", &x);                                     
          value[n] = x;                                        
          printf("%d\n", value[n]);                                 
       }                                                           
       printf("\n");                                           
                                                               
       printf("          |\n");                                
       for (n = 0 ; n < N ; ++n)                                  
       {                                                           
          for (i = 1 ; i <= 3 ; i++)                              
          {                                                        
              if ( i == 2)                                           
                 printf("Group-%1d   |",n+1);                        
              else                                                 
                 printf("          |");




                            
              for (j = 1 ; j <= value[n]; ++j)                     
                 printf("*"); 
              if (i == 2)                                          
                 printf("(%d)\n", value[n]);                       
              else                                                 
                 printf("\n");                                     
          }                                                        
          printf("          |\n");                                 
       }                                                           
   }                                                               
                                                               
Output                                                      
                                                               
   Enter employees in Group - 1 : 12                           
   12                                                          
   Enter employees in Group - 2 : 23                           
   23                                                          
   Enter employees in Group - 3 : 35                           
   35                                                          
   Enter employees in Group - 4 : 20                           
   20                                                          
   Enter Employees in Group - 5 : 11                           
   11                                                          
                                                               
             |                                                 
             |************                                     
   Group-1   |************(12)                                 
             |************                                     
             |                                                 
             |***********************                          
   Group-2   |***********************(23)                      
             |***********************                          
             |                                                 
             |***********************************              
   Group-3   |***********************************(35)          
             |***********************************              
             |                                                 
             |********************                             
   Group-4   |********************(20)                         
             |********************                             
             |                                                 
             |***********                                      
   Group-5   |***********(11)                                  
             |***********                                      
               |